Nazare Big Wave Challenge Gets Yellow Alert, Could Run Saturday in Giant Waves
70-foot plus waves predicted for Portuguese big wave tow surfing competition.
Surf Forecasts:
6th Street surfForecast / Liberia / Liberia
48hr Weather and Surf, issued 5 pm Monday 15 Dec 2025 GMTForecast update in hr min s Forecast update imminent
6th Street surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's 6th Street sea temperature is
28.7° C
(Which is normal for this time of year)How big are the waves at 6th Street today?
The current surf forecast for 6th Street at 11PM is: 0.7m 13s primary swell from a South-southwest direction and 0.7m 7s secondary swell from a South direction (forecast issued at 05:00pm December 15). The wind direction is predicted to be glassy and the swell rating is 2.
| Time (GMT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (15 Dec) | - | - |
| Afternoon (15 Dec) | 2ft (0.6m) | 12s |
| Evening (15 Dec) | 2.5ft (0.7m) | 13s |
Table - waves today at 6th Street. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Monday 15 | Tuesday 16 | Wednesday 17 | Thursday 18 | |||||||||||||||||||||
| 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 12 | 12 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 15 | 15 | 14 | 14 | 11 | 12 | 13 | 13 | 13 | 12 | 12 | 12 | 12 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 101 | 136 | 147 | 149 | 113 | 111 | 99 | 129 | 129 | 96 | 83 | 83 | 75 | 72 | 74 | 74 | 78 | 62 | 61 | 58 | 56 | 54 | 52 | 51 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | cross- on | glass | glass | glass | cross- off | cross- off | glass | glass | glass | cross | cross- off | cross- off | glass | cross- on | on | cross- on | cross- on | cross- on | cross- on | glass | glass | glass |
High Tide / height (m) | 4:23PM 1.04 | 4:06AM 1.09 | 5:05PM 1.10 | 4:45AM 1.09 | 5:42PM 1.15 | 5:22AM 1.09 | ||||||||||||||||||
Low Tide / height (m) | 9:57PM 0.50 | 10:25AM 0.27 | 10:44PM 0.48 | 11:00AM 0.23 | 11:27PM 0.46 | 11:34AM 0.21 | ||||||||||||||||||
Monday 15 | Tuesday 16 | Wednesday 17 | Thursday 18 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | 6:45 | - | - | - | - | - | - | - | 6:46 | - | - | - | - | - | - | - | 6:46 | - |
| Sunset | - | 6:30 | - | - | - | - | - | - | - | 6:30 | - | - | - | - | - | - | - | 6:30 | - | - | - | - | - | - |
 | |  | | | | | |  | |  | | |  | |  | | | | | |  |  | | |
Rain (mm) | 1 | 1 | 2 | 1 | 1 | 2 | 2 | 2 | - | 1 | - | - | - | - | - | - | - | 1 | 3 | 1 | - | - | - | - |
| Temp. °C | 27 | 27 | 26 | 26 | 25 | 25 | 26 | 26 | 27 | 27 | 27 | 26 | 25 | 25 | 25 | 27 | 28 | 27 | 26 | 26 | 26 | 25 | 25 | 28 |
| Feels °C (?) | 29 | 30 | 29 | 31 | 29 | 29 | 30 | 29 | 31 | 31 | 31 | 29 | 27 | 28 | 28 | 29 | 30 | 29 | 28 | 28 | 29 | 29 | 29 | 32 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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